1 | /* |
1 | /* |
2 | * This file is part of Crossfire TRT, the Roguelike Realtime MORPG. |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
3 | * |
3 | * |
4 | * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team |
4 | * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
5 | * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team |
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6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
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7 | * |
5 | * |
8 | * Crossfire TRT is free software: you can redistribute it and/or modify |
6 | * Deliantra is free software: you can redistribute it and/or modify it under |
9 | * it under the terms of the GNU General Public License as published by |
7 | * the terms of the Affero GNU General Public License as published by the |
10 | * the Free Software Foundation, either version 3 of the License, or |
8 | * Free Software Foundation, either version 3 of the License, or (at your |
11 | * (at your option) any later version. |
9 | * option) any later version. |
12 | * |
10 | * |
13 | * This program is distributed in the hope that it will be useful, |
11 | * This program is distributed in the hope that it will be useful, |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | * GNU General Public License for more details. |
14 | * GNU General Public License for more details. |
17 | * |
15 | * |
18 | * You should have received a copy of the GNU General Public License |
16 | * You should have received a copy of the Affero GNU General Public License |
19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
17 | * and the GNU General Public License along with this program. If not, see |
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18 | * <http://www.gnu.org/licenses/>. |
20 | * |
19 | * |
21 | * The authors can be reached via e-mail to <crossfire@schmorp.de> |
20 | * The authors can be reached via e-mail to <support@deliantra.net> |
22 | */ |
21 | */ |
23 | |
22 | |
24 | #ifndef CLIENT_H |
23 | #ifndef CLIENT_H |
25 | #define CLIENT_H |
24 | #define CLIENT_H |
26 | |
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27 | #include <deque> |
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28 | #include <bitset> |
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29 | #include <tr1/unordered_set> |
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30 | |
25 | |
31 | #if HAVE_TCP_INFO |
26 | #if HAVE_TCP_INFO |
32 | # include <netinet/tcp.h> |
27 | # include <netinet/tcp.h> |
33 | #else |
28 | #else |
34 | struct tcpi_info { |
29 | struct tcp_info { |
35 | // dummy |
30 | // dummy |
36 | char tcpi_state; |
31 | int tcpi_state; |
37 | char tcpi_ca_state; |
32 | int tcpi_ca_state; |
38 | char tcpi_retransmits; |
33 | int tcpi_retransmits; |
39 | char tcpi_probes; |
34 | int tcpi_probes; |
40 | char tcpi_backoff; |
35 | int tcpi_backoff; |
41 | char tcpi_options; |
36 | int tcpi_options; |
42 | char tcpi_snd_wscale; |
37 | int tcpi_snd_wscale; |
43 | char tcpi_rcv_wscale; |
38 | int tcpi_rcv_wscale; |
44 | char tcpi_rto; |
39 | int tcpi_rto; |
45 | char tcpi_ato; |
40 | int tcpi_ato; |
46 | char tcpi_snd_mss; |
41 | int tcpi_snd_mss; |
47 | char tcpi_rcv_mss; |
42 | int tcpi_rcv_mss; |
48 | char tcpi_unacked; |
43 | int tcpi_unacked; |
49 | char tcpi_sacked; |
44 | int tcpi_sacked; |
50 | char tcpi_lost; |
45 | int tcpi_lost; |
51 | char tcpi_retrans; |
46 | int tcpi_retrans; |
52 | char tcpi_fackets; |
47 | int tcpi_fackets; |
53 | char tcpi_last_data_sent; |
48 | int tcpi_last_data_sent; |
54 | char tcpi_last_ack_sent; |
49 | int tcpi_last_ack_sent; |
55 | char tcpi_last_data_recv; |
50 | int tcpi_last_data_recv; |
56 | char tcpi_last_ack_recv; |
51 | int tcpi_last_ack_recv; |
57 | char tcpi_pmtu; |
52 | int tcpi_pmtu; |
58 | char tcpi_rcv_ssthresh; |
53 | int tcpi_rcv_ssthresh; |
59 | char tcpi_rtt; |
54 | int tcpi_rtt; |
60 | char tcpi_rttvar; |
55 | int tcpi_rttvar; |
61 | char tcpi_snd_ssthresh; |
56 | int tcpi_snd_ssthresh; |
62 | char tcpi_snd_cwnd; |
57 | int tcpi_snd_cwnd; |
63 | char tcpi_advmss; |
58 | int tcpi_advmss; |
64 | char tcpi_reordering; |
59 | int tcpi_reordering; |
65 | }; |
60 | }; |
66 | #endif |
61 | #endif |
67 | |
62 | |
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63 | //+GPL |
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64 | |
68 | // (possibly) max. number of objects "per page" in the ground container |
65 | // (possibly) max. number of objects "per page" in the ground container |
69 | #define FLOORBOX_PAGESIZE 50 |
66 | #define FLOORBOX_PAGESIZE 50 |
70 | |
67 | |
71 | struct MapCell |
68 | struct MapCell |
72 | { |
69 | { |
73 | tag_t player; // this is, unfortunately, very wasteful of memory space, but pretty bandwidth-efficient |
70 | tag_t player; // this is, unfortunately, very wasteful of memory space, but pretty bandwidth-efficient |
74 | int count; /* This is really darkness in the map1 command */ |
71 | int count; /* This is really darkness in the map1 command */ |
75 | faceidx faces[MAP_LAYERS]; |
72 | faceidx faces[MAP_LAYERS]; |
76 | unsigned char stat_hp; // health of something in this space, or 0 |
73 | unsigned char stat_hp; // health of something in this space, or 0 |
77 | unsigned char flags; |
74 | unsigned char flags; |
78 | uint8_t smooth[MAP_LAYERS]; |
75 | uint8_t smooth[MAP_LAYERS]; |
… | |
… | |
97 | /* This contains basic information on the socket structure. status is its |
94 | /* This contains basic information on the socket structure. status is its |
98 | * current state. we set up our on buffers for sending/receiving, so we can |
95 | * current state. we set up our on buffers for sending/receiving, so we can |
99 | * handle some higher level functions. fd is the actual file descriptor we |
96 | * handle some higher level functions. fd is the actual file descriptor we |
100 | * are using. |
97 | * are using. |
101 | */ |
98 | */ |
102 | |
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103 | /* Only one map mode can actually be used, so lets make it a switch |
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104 | * instead of having a bunch of different fields that needed to |
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105 | * get toggled. |
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106 | */ |
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107 | enum { Map0Cmd = 0, Map1Cmd = 1, Map1aCmd = 2 }; |
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108 | |
99 | |
109 | // states the socket can be in |
100 | // states the socket can be in |
110 | enum { |
101 | enum { |
111 | ST_DEAD, // socket is dead |
102 | ST_DEAD, // socket is dead |
112 | ST_SETUP, // initial handshake / setup / login |
103 | ST_SETUP, // initial handshake / setup / login |
… | |
… | |
144 | { |
135 | { |
145 | tstamp stamp; |
136 | tstamp stamp; |
146 | const packet_type *handler; |
137 | const packet_type *handler; |
147 | char *data; |
138 | char *data; |
148 | int datalen; |
139 | int datalen; |
149 | |
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150 | ~command () |
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151 | { |
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152 | sfree<char> (data, datalen + 1); |
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153 | } |
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154 | }; |
140 | }; |
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141 | |
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142 | //-GPL |
155 | |
143 | |
156 | /* how many times we are allowed to give the wrong password before being kicked. */ |
144 | /* how many times we are allowed to give the wrong password before being kicked. */ |
157 | #define MAX_PASSWORD_FAILURES 5 |
145 | #define MAX_PASSWORD_FAILURES 5 |
158 | |
146 | |
159 | INTERFACE_CLASS (client) // should become player when newsocket is a baseclass of player |
147 | INTERFACE_CLASS (client) // should become player when newsocket is a baseclass of player |
… | |
… | |
162 | int ACC (RW, fd); |
150 | int ACC (RW, fd); |
163 | unsigned int inbuf_len; // number of bytes valid in inbuf |
151 | unsigned int inbuf_len; // number of bytes valid in inbuf |
164 | statsinfo stats; |
152 | statsinfo stats; |
165 | object_vector_index ACC (RO, active); |
153 | object_vector_index ACC (RO, active); |
166 | player_ptr ACC (RO, pl); |
154 | player_ptr ACC (RO, pl); |
167 | |
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168 | /* The following is the setup for a ring buffer for storing output |
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169 | * data that the OS can't handle right away. |
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170 | */ |
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171 | struct |
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172 | { |
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173 | char data[SOCKETBUFSIZE]; |
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174 | int start; |
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175 | int len; |
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176 | } outputbuffer; |
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177 | |
155 | |
178 | char *ACC (RW, host); /* Which host it is connected from (ip address) */ |
156 | char *ACC (RW, host); /* Which host it is connected from (ip address) */ |
179 | uint8 ACC (RW, state); /* Input state of the player (name, password, etc */ |
157 | uint8 ACC (RW, state); /* Input state of the player (name, password, etc */ |
180 | |
158 | |
181 | sint8 ACC (RW, last_level); /* Last level we sent to client */ |
159 | sint8 ACC (RW, last_level); /* Last level we sent to client */ |
… | |
… | |
187 | uint32 ACC (RW, last_path_repelled); /* Last spell repelled sent to client */ |
165 | uint32 ACC (RW, last_path_repelled); /* Last spell repelled sent to client */ |
188 | uint32 ACC (RW, last_path_denied); /* Last spell denied sent to client */ |
166 | uint32 ACC (RW, last_path_denied); /* Last spell denied sent to client */ |
189 | living ACC (RO, last_stats); /* Last stats as sent to client */ |
167 | living ACC (RO, last_stats); /* Last stats as sent to client */ |
190 | float ACC (RW, last_speed); /* Last speed as sent to client */ |
168 | float ACC (RW, last_speed); /* Last speed as sent to client */ |
191 | sint16 ACC (RW, last_resist[NROFATTACKS]);/* last resist values sent to client */ |
169 | sint16 ACC (RW, last_resist[NROFATTACKS]);/* last resist values sent to client */ |
192 | sint64 ACC (RW, last_skill_exp[NUM_SKILLS]);/* shadow register. if != exp. obj update client */ |
170 | sint64 ACC (RW, last_skill_exp[CS_NUM_SKILLS]);/* shadow register. if != exp. obj update client */ |
193 | |
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194 | bool ACC (RW, force_face0); // client workaround for buggy checksum calculation in gcfclient |
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195 | bool ACC (RW, force_bad_checksum); // client workaround for buggy checksum calculation in gcfclient |
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196 | bool ACC (RW, force_image_newmap); // client workaround for client not redrawing map on image upload |
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197 | bool ACC (RW, enable_bg_scrub); // client workaround, gcfclient becomes unusable if you send it images |
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198 | |
171 | |
199 | bool ACC (RW, afk); /* player is afk */ |
172 | bool ACC (RW, afk); /* player is afk */ |
200 | bool ACC (RW, facecache); /* If true, client is caching images */ |
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201 | bool ACC (RW, sent_scroll); |
173 | bool ACC (RW, sent_scroll); |
202 | bool ACC (RW, sound); /* does the client want sound */ |
174 | bool ACC (RW, sound); /* does the client want sound */ |
203 | bool ACC (RW, newmapcmd); /* Send newmap command when entering new map SMACFIGGEN */ |
175 | bool ACC (RW, bumpmsg); /* give message when bumping into walls */ |
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176 | |
204 | bool ACC (RW, plugincmd); // extend the protocol through a plug-in */ |
177 | bool ACC (RW, plugincmd); // extend the protocol through a plug-in */ |
205 | bool ACC (RW, mapinfocmd); // return map info and send map change info |
178 | bool ACC (RW, mapinfocmd); // return map info and send map change info |
206 | uint8_t ACC (RW, extcmd); // call into extensions/plugins |
179 | uint8_t ACC (RW, extcmd); // call into extensions/plugins |
207 | bool ACC (RW, extmap); // extend map comamnd with extra data |
180 | bool ACC (RW, need_delinv0); /* If true, we need to delinv 0 before sending new floorbox */ |
208 | bool ACC (RW, buggy_mapscroll); // client crashes on large mapscrolls |
181 | |
209 | bool ACC (RW, darkness); /* True if client wants darkness information */ |
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210 | bool ACC (RW, image2); /* Client wants image2/face2 commands */ |
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211 | uint8_t ACC (RW, fxix); // client implements fx and ix (face|image extended) commands |
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212 | bool ACC (RW, update_look); /* If true, we need to send the look window */ |
182 | bool ACC (RW, update_look); /* If true, we need to send the look window */ |
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183 | bool ACC (RW, update_spells); // If true, we need to esrv_update_spells |
213 | bool ACC (RW, has_readable_type); /* If true client accept additional text information */ |
184 | bool ACC (RW, has_readable_type); /* If true client accept additional text information */ |
214 | /* used to arrange text in books, scrolls, or scripted dialogs */ |
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215 | bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */ |
185 | bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */ |
216 | bool ACC (RW, ext_mapinfos); /* If true client accepts additional info on maps */ |
186 | |
217 | /* Below are flags for extedend infos to pass to client |
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218 | * with S->C mapextended command */ |
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219 | bool ACC (RW, EMI_smooth); /* Send smooth in extendmapinfos */ |
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220 | bool ACC (RW, smoothing); // trt-style smoothing |
187 | bool ACC (RW, smoothing); // deliantra-style smoothing |
221 | bool ACC (RW, can_msg); // trt-style text messages |
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222 | |
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223 | bool ACC (RW, force_newmap); // force a newmap before next map update |
188 | bool ACC (RW, force_newmap); // force a newmap before next map update |
224 | uint32 ACC (RW, supported_readables); /* each bit is a readable supported by client */ |
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225 | uint32 ACC (RW, cs_version), ACC (RW, sc_version); /* versions of the client */ |
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226 | uint16 ACC (RW, look_position); /* start of drawing of look window */ |
189 | uint16 ACC (RW, look_position); /* start of drawing of look window */ |
227 | uint16 ACC (RW, mss); // likely tcp maximum segment size |
190 | uint16 ACC (RW, mss); // likely tcp maximum segment size |
228 | uint8 ACC (RW, mapmode); /* Type of map commands the client wants. */ |
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229 | uint8 ACC (RW, mapx), ACC (RW, mapy); /* How large a map the client wants */ |
191 | uint8 ACC (RW, mapx), ACC (RW, mapy); /* How large a map the client wants */ |
230 | uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */ |
192 | uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */ |
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193 | uint8 ACC (RW, faceset); // CF+ selected faceset |
231 | |
194 | |
232 | maptile *ACC (RW, current_map); // CF+ last/current player map |
195 | maptile_ptr ACC (RW, current_map); // CF+ last/current player map |
233 | region *ACC (RW, current_region); // CF+ last/current player region |
196 | region_ptr ACC (RW, current_region); // CF+ last/current player region |
234 | int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position |
197 | int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position |
235 | shstr ACC (RW, version); // CF+ client name/version |
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236 | uint8 ACC (RW, faceset); // CF+ selected faceset |
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237 | |
198 | |
238 | tstamp ACC (RW, last_send); // last data send on socket. |
199 | tstamp ACC (RW, last_send); // last data send on socket. |
239 | |
200 | |
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201 | float ACC (RW, socket_timeout); /* after how many seconds of no ack do we declare dead */ |
240 | int ACC (RW, rate_avail); // current rate balance |
202 | int ACC (RW, rate_avail); // current rate balance |
241 | int ACC (RW, max_rate); // max. # of bytes to send per tick |
203 | int ACC (RW, max_rate); // max. # of bytes to send per tick |
242 | faceidx ACC (RW, scrub_idx); // which face to send next |
204 | faceidx ACC (RW, scrub_idx); // which face to send next |
243 | int ACC (RW, bg_scrub); // how many ticks till the next background face send |
205 | int ACC (RW, bg_scrub); // how many ticks till the next background face send |
244 | |
206 | |
245 | struct tcp_info tcpi; |
207 | struct tcp_info tcpi; |
246 | tstamp next_rate_adjust; |
208 | tstamp next_rate_adjust; |
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209 | |
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210 | unordered_vector<char *> mapinfo_queue; |
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211 | void mapinfo_queue_clear (); |
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212 | void mapinfo_queue_run (); |
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213 | bool mapinfo_try (char *buf); |
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214 | |
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215 | struct ixsend { |
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216 | int16_t pri; // higher means faces are sent earlier, default 0 |
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217 | faceidx idx; |
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218 | uint32_t ofs; // if != 0, need to send remaining bytes of partial_face |
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219 | }; |
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220 | std::vector<ixsend, slice_allocator<ixsend> > ixface; // which faces to send to the client using ix |
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221 | |
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222 | std::vector<faceidx, slice_allocator<faceidx> > fxface; // which faces to send using fx |
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223 | MTH void flush_fx (); // send fx if required |
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224 | |
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225 | MTH void invalidate_face (faceidx idx); |
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226 | MTH void invalidate_all_faces (); |
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227 | |
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228 | void do_destroy (); |
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229 | void gather_callbacks (AV *&callbacks, event_type event) const; |
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230 | |
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231 | iow socket_ev; void socket_cb (iow &w, int revents); |
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232 | |
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233 | std::deque< command, slice_allocator<command> > cmd_queue; |
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234 | |
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235 | // large structures at the end please |
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236 | struct Map lastmap; |
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237 | std::bitset<MAXANIMNUM> anims_sent; |
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238 | std::bitset<MAX_FACES> faces_sent; |
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239 | std::bitset<FT_NUM> fx_want; |
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240 | |
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241 | // if we get an incomplete packet, this is used to hold the data. |
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242 | // we add 2 byte for the header, one for the trailing 0 byte |
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243 | uint8 inbuf[MAXSOCKBUF + 2 + 1]; |
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244 | |
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245 | enum { MSG_BUF_SIZE = 80, MSG_BUF_COUNT = 10 }; |
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246 | struct msg_buf |
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247 | { |
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248 | tick_t expire; |
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249 | int len; |
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250 | int count; |
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251 | char msg[MSG_BUF_SIZE]; |
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252 | } msgbuf[MSG_BUF_COUNT]; |
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253 | |
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254 | MTH bool msg_suppressed (const_utf8_string msg); |
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255 | |
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256 | /* The following is the setup for a ring buffer for storing output |
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257 | * data that the OS can't handle right away. |
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258 | * TODO: this member is enourmously large - optimise? |
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259 | */ |
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260 | struct |
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261 | { |
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262 | char data[SOCKETBUFSIZE]; |
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263 | int start; |
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264 | int len; |
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265 | } outputbuffer; |
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266 | |
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267 | bool may_execute (const packet_type *pkt) const; |
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268 | void execute (const packet_type *pkt, char *data, int datalen); |
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269 | |
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270 | void queue_command (packet_type *handler, char *data, int datalen); |
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271 | MTH bool handle_command (); |
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272 | // resets movement state |
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273 | MTH void reset_state (); |
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274 | // resets variable data used to send stat diffs |
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275 | MTH void reset_stats (); |
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276 | |
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277 | MTH bool handle_packet (); |
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278 | int next_packet (); // returns length of packet or 0 |
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279 | void skip_packet (int len); // we have processed the packet, skip it |
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280 | |
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281 | MTH void flush (); |
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282 | MTH void write_outputbuffer (); |
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283 | MTH int outputbuffer_len () const { return outputbuffer.len; } |
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284 | void send (void *buf_, int len); |
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285 | |
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286 | void send_packet (const_octet_string buf); |
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287 | void send_packet (const_octet_string buf, int len); |
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288 | void send_packet_printf (const_utf8_string format, ...) attribute ((format (printf, 2, 3))); |
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289 | void send_packet (packet &sl); |
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290 | |
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291 | void send_drawinfo (const_utf8_string msg, int flags = NDI_BLACK); |
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292 | |
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293 | MTH void send_face (faceidx facenum, int pri = 0); |
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294 | MTH void send_faces (object *ob); |
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295 | MTH void send_animation (short anim_num); |
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296 | void send_msg (int color, const_utf8_string type, const_utf8_string msg); |
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297 | |
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298 | MTH void play_sound (faceidx sound, int dx = 0, int dy = 0); |
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299 | // called when something under the player changes |
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300 | MTH void floorbox_update () { update_look = 1; } |
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301 | // called when the player has been moved |
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302 | MTH void floorbox_reset () { look_position = 0; floorbox_update (); } |
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303 | |
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304 | MTH void tick (); // called every server tick to do housekeeping etc. |
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305 | |
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306 | MTH static client *create (int fd, const char *peername); |
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307 | MTH static void clock (); |
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308 | MTH static void flush_sockets (); |
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309 | |
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310 | protected: |
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311 | client (int fd, const char *from_ip); |
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312 | ~client (); |
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313 | }; |
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314 | |
247 | #if FOR_PERL |
315 | #if FOR_PERL |
248 | // unfortunately, this emans that we *require* tcp_info now... |
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249 | ACC (RW, tcpi.tcpi_state); |
316 | ACC (RW, tcpi.tcpi_state); |
250 | ACC (RW, tcpi.tcpi_ca_state); |
317 | ACC (RW, tcpi.tcpi_ca_state); |
251 | ACC (RW, tcpi.tcpi_retransmits); |
318 | ACC (RW, tcpi.tcpi_retransmits); |
252 | ACC (RW, tcpi.tcpi_probes); |
319 | ACC (RW, tcpi.tcpi_probes); |
253 | ACC (RW, tcpi.tcpi_backoff); |
320 | ACC (RW, tcpi.tcpi_backoff); |
… | |
… | |
275 | ACC (RW, tcpi.tcpi_snd_cwnd); |
342 | ACC (RW, tcpi.tcpi_snd_cwnd); |
276 | ACC (RW, tcpi.tcpi_advmss); |
343 | ACC (RW, tcpi.tcpi_advmss); |
277 | ACC (RW, tcpi.tcpi_reordering); |
344 | ACC (RW, tcpi.tcpi_reordering); |
278 | #endif |
345 | #endif |
279 | |
346 | |
280 | struct ixsend { |
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281 | int16_t pri; // unused |
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282 | faceidx idx; |
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283 | uint32_t ofs; // if != 0, need to send remaining bytes of partial_face |
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284 | }; |
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285 | std::vector<ixsend, slice_allocator<ixsend> > ixface; // which faces to send to the client using ix |
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286 | |
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287 | std::vector<faceidx, slice_allocator<faceidx> > fxface; // which faces to send using fx |
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288 | MTH void flush_fx (); // send fx if required |
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289 | |
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290 | void do_destroy (); |
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291 | void gather_callbacks (AV *&callbacks, event_type event) const; |
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292 | |
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293 | iow socket_ev; void socket_cb (iow &w, int got); |
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294 | iw cmd_ev; void cmd_cb (iw &w); |
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295 | |
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296 | std::deque< command, slice_allocator<command> > cmd_queue; |
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297 | |
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298 | // large structures at the end please |
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299 | struct Map lastmap; |
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300 | std::bitset<MAXANIMNUM> anims_sent; |
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301 | std::bitset<MAX_FACES> faces_sent; |
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302 | std::bitset<FT_NUM> fx_want; |
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303 | |
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304 | // if we get an incomplete packet, this is used to hold the data. |
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305 | // we add 2 byte for the header, one for the trailing 0 byte |
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306 | uint8 inbuf[MAXSOCKBUF + 2 + 1]; |
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307 | |
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308 | enum { MSG_BUF_SIZE = 80, MSG_BUF_COUNT = 10 }; |
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309 | struct msg_buf |
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310 | { |
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311 | tick_t expire; |
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312 | int len; |
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313 | int count; |
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314 | char msg[MSG_BUF_SIZE]; |
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315 | } msgbuf[MSG_BUF_COUNT]; |
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316 | |
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317 | MTH bool msg_suppressed (const char *msg); |
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318 | |
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319 | bool may_execute (const packet_type *pkt) const; |
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320 | void execute (const packet_type *pkt, char *data, int datalen); |
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321 | |
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322 | void queue_command (packet_type *handler, char *data, int datalen); |
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323 | MTH bool handle_command (); |
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324 | // resets movement state |
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325 | MTH void reset_state (); |
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326 | // resets variable data used to send stat diffs |
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327 | MTH void reset_stats (); |
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328 | |
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329 | MTH bool handle_packet (); |
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330 | int next_packet (); // returns length of packet or 0 |
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331 | void skip_packet (int len); // we have processed the packet, skip it |
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332 | |
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333 | MTH void flush (); |
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334 | MTH void write_outputbuffer (); |
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335 | MTH int outputbuffer_len () const { return outputbuffer.len; } |
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336 | void send (void *buf_, int len); |
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337 | |
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338 | void send_packet (const char *buf); |
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339 | void send_packet (const char *buf, int len); |
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340 | void send_packet_printf (const char *format, ...); |
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341 | void send_packet (packet &sl); |
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342 | |
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343 | void send_drawinfo (const char *msg, int flags = NDI_BLACK); |
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344 | |
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345 | MTH void send_face (faceidx facenum, int pri = 0); |
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346 | MTH void send_image (faceidx facenum); |
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347 | MTH void send_faces (object *ob); |
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348 | MTH void send_animation (short anim_num); |
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349 | void send_msg (int color, const char *type, const char *msg); |
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350 | |
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351 | MTH void play_sound (faceidx sound, int dx = 0, int dy = 0); |
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352 | // called when something under the player changes |
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353 | MTH void floorbox_update () { update_look = 1; } |
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354 | // called when the player has been moved |
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355 | MTH void floorbox_reset () { look_position = 0; floorbox_update (); } |
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356 | |
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357 | MTH void tick (); // called every server tick to do housekeeping etc. |
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358 | |
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359 | MTH static client *create (int fd, const char *peername); |
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360 | |
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361 | protected: |
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362 | client (int fd, const char *from_ip); |
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363 | ~client (); |
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364 | }; |
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365 | |
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366 | #define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\ |
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367 | ( ((__type)>0) &&\ |
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368 | ((__sockPtr)->has_readable_type) && \ |
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369 | ((__sockPtr)->supported_readables & (1<<(__type))) ) |
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370 | |
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371 | /* Constants in the form EMI_ is for extended map infos. |
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372 | * Even if the client select the additionnal infos it wants |
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373 | * on the map, there may exist cases where this whole info |
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374 | * is not given in one buch but in separate bunches. This |
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375 | * is done performance reasons (imagine some info related to |
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376 | * a visible object and another info related to a 4 square |
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377 | * width and height area). At the begin of an extended info packet |
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378 | * is a bit field. A bit is activated for each extended info |
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379 | * present in the data |
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380 | */ |
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381 | |
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382 | /* Meanings: |
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383 | * EMI_NOREDRAW Take extended infos into account but don't redraw, |
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384 | * some additionnal datas will follow in a new packet |
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385 | * EMI_SMOOTH Datas about smoothing |
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386 | */ |
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387 | #define EMI_NOREDRAW 0x01 |
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388 | #define EMI_SMOOTH 0x02 |
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389 | |
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390 | /* this last one says the bitfield continue un next byte |
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391 | * There may be several on contiguous bytes. So there is 7 |
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392 | * actual bits used per byte, and the number of bytes |
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393 | * is not fixed in protocol |
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394 | */ |
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395 | #define EMI_HASMOREBITS 0x80 |
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396 | |
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397 | #define FACE_TYPES 1 |
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398 | #define PNG_FACE_INDEX 0 |
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399 | |
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400 | #define VERSION_CS 1023 /* version >= 1023 understand setup cmd */ |
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401 | #define VERSION_SC 1026 |
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402 | //#define VERSION_SC 1027 // requestinfo image_info and image_sums, makes extending faces on the fly impossible |
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403 | #define VERSION_INFO "Crossfire TRT Server" |
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404 | |
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405 | typedef object_vector<client, &client::active> sockvec; |
347 | typedef object_vector<client, &client::active> sockvec; |
406 | |
348 | |
407 | extern sockvec clients; |
349 | extern sockvec clients; |
408 | |
350 | |
409 | #define for_all_clients(var) \ |
351 | #define for_all_clients(var) \ |
410 | for (int _i = 0; _i < clients.size (); ++_i) \ |
352 | for (int _i = 0; _i < clients.size (); ++_i) \ |
411 | statementvar (client *, var, clients [_i]) |
353 | statementvar (client *, var, clients [_i]) |
412 | |
354 | |
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355 | // returns true when the message needs special (read: perl) treatment |
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356 | static inline bool |
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357 | msg_is_special (const_any_string msg, bool nl_special = true) |
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358 | { |
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359 | return msg [strcspn (msg, nl_special ? "<&\n" : "<&")]; |
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360 | } |
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361 | |
413 | #endif |
362 | #endif |
414 | |
363 | |